| When | User | Flag Type | Description |
|---|---|---|---|
| 2012-08-18 13:23:01 | sin224 | Well Constructed | |
| 2013-04-20 20:05:55 | brent | Well Constructed | |
| 2013-06-11 05:58:01 | erpawer1 | Needs Fixing | first move can be N19 |
| 2013-08-16 14:01:01 | andrewsylvia | Needs Fixing | alternate solution on top |
| 2014-03-16 16:12:45 | Plucho | Well Constructed | |
| 2014-10-13 16:55:35 | eurikano | Well Constructed | |
| 2014-12-23 11:23:55 | Matrok | Well Constructed | |
| 2015-12-02 14:55:12 | PierreBo | Well Constructed | |
| 2016-03-13 23:24:10 | TrombaMarina | Well Constructed | |
| 2016-03-24 04:18:18 | jubbs | Well Constructed | |
| 2017-01-21 17:53:47 | Sollies | Well Constructed | |
| 2020-06-17 09:26:16 | alcalyn | Needs Fixing | N19 is also valid as a first move |